/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package control;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.Artista;
import model.ArtistaDAO;
import model.Usuario;

/**
 *
 * @author Igor
 */
public class CadastroArtistaServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();           
        HttpSession session = request.getSession(false);
        Usuario usuario =  session == null ? null : (Usuario) session.getAttribute("usuarioAtual");
        if (usuario != null){
            out.println("<!DOCTYPE html>");
            
            if (request.getParameter("confirmarArtista") != null){
                String nomeArtistico = request.getParameter("nomeArtistico");
                String descricaoLivre = request.getParameter("descricaoLivre");
                
                if(nomeArtistico == null || nomeArtistico.equals("")){
                    out.println("<p> Nome Artístico deve ser peenchido! <p>");
                } else {
                    try {
                        ArtistaDAO adao = new ArtistaDAO();
                        if (adao.pesquisarPorNome(nomeArtistico) != null){
                            out.println("<p> Já existe um artista com este Nome Artístico! <p>");
                        } else {
                            Artista artista = new Artista(0, nomeArtistico, descricaoLivre, usuario);
                            adao.inserir(artista);
                            artista = adao.pesquisarPorUsuario(artista);
                            session.setAttribute("usuarioAtual", artista);
                            
                            out.println("<p>Cadastro Realizado com Sucesso!</p>");
                            //RequestDispatcher rd = request.getRequestDispatcher("/MenuPrincipal");
                            //rd.include(request, response);
                            response.sendRedirect("MenuPrincipalServlet");
                        }
                    } catch (ClassNotFoundException ex) {
                        Logger.getLogger(CadastroArtistaServlet.class.getName()).log(Level.SEVERE, null, ex);
                    } catch (SQLException ex) {
                        Logger.getLogger(CadastroArtistaServlet.class.getName()).log(Level.SEVERE, null, ex);
                    }
                }
            }
                out.println(
                    "<h1>SongLoad Músicas Online</h1>" +
                    "<p> Cadastro de Artista: </p>"+
                    "<form method=\"post\" action=\"CadastroArtistaServlet\">" +                
                        "Nome Artistico: <input type=text size=30 name=\"nomeArtistico\"><br>"+
                        "Descrição Livre: <br>"+
                        "<textarea rows=\"4\" cols=\"50\" name=\"descricaoLivre\"></textarea><br>"+
                        "<input type=submit name=\"confirmarArtista\" value=\"Tornar-se Artista\">"+
                    "</form><a href=\"MenuPrincipalServlet\">Voltar</a>"
                    );
            
        }else {
            out.println("Você deve estar autenticado para acessar esta página!");
            RequestDispatcher rd = request.getRequestDispatcher("/index.jsp");
            rd.include(request, response);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
